[Intel-gfx] drm/i915: make DP training try a little harder

Jan-Hendrik Zab jan at jhz.name
Wed Jan 5 22:23:15 CET 2011


On 05/01/11 09:19 -0800, Jesse Barnes wrote:
[snip]

> Jesse Barnes, Intel Open Source Technology Center
> 
> From fdb4552b4da707bfa5f3ab9e5dd92f04b39e41d3 Mon Sep 17 00:00:00 2001
> From: Jesse Barnes <jbarnes at virtuousgeek.org>
> Date: Tue, 4 Jan 2011 11:50:32 -0800
> Subject: [PATCH] drm/i915: make DP training try a little harder
> 
> When trying to do channel equalization, we need to make sure we still
> have clock recovery on all lanes while training.  We also need to try
> clock recovery again if we lose the clock or if channel eq fails 5
> times.  We'll try clock recovery up to 5 more times before giving up
> entirely.
> 
> Gets suspend/resume working on my Vaio again and brings us back into
> compliance with the DP training sequence spec.

Hey,
the patch also gets suspend/resume working on my Vaio (VPCZ11C5E).

Same goes for the first patch in the thread.

	-jhz



More information about the Intel-gfx mailing list